Map of the survey area.

<p>Subregions 1 to 8 belong to the Skagerrak region. As data for subregions 1 to 4 were only available for 2016 and 2022, they were excluded from statistical analysis of trends. Subregions 9 to 16 belong to the Kattegat region. The S.W. Baltic (17) was treated as a separate population with jus...

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Main Author: Daire Carroll (13232562) (author)
Other Authors: Markus P. Ahola (21627135) (author), Anja M. Carlsson (5027330) (author), Anders Galatius (309528) (author), Kjell T. Nilssen (4169899) (author), Tero Härkönen (5654026) (author), Karin C. Harding (11795537) (author)
Published: 2025
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_version_ 1852018890882678784
author Daire Carroll (13232562)
author2 Markus P. Ahola (21627135)
Anja M. Carlsson (5027330)
Anders Galatius (309528)
Kjell T. Nilssen (4169899)
Tero Härkönen (5654026)
Karin C. Harding (11795537)
author2_role author
author
author
author
author
author
author_facet Daire Carroll (13232562)
Markus P. Ahola (21627135)
Anja M. Carlsson (5027330)
Anders Galatius (309528)
Kjell T. Nilssen (4169899)
Tero Härkönen (5654026)
Karin C. Harding (11795537)
author_role author
dc.creator.none.fl_str_mv Daire Carroll (13232562)
Markus P. Ahola (21627135)
Anja M. Carlsson (5027330)
Anders Galatius (309528)
Kjell T. Nilssen (4169899)
Tero Härkönen (5654026)
Karin C. Harding (11795537)
dc.date.none.fl_str_mv 2025-06-30T18:23:01Z
dc.identifier.none.fl_str_mv 10.1371/journal.pone.0326933.g001
dc.relation.none.fl_str_mv https://figshare.com/articles/figure/Map_of_the_survey_area_/29439009
dc.rights.none.fl_str_mv CC BY 4.0
info:eu-repo/semantics/openAccess
dc.subject.none.fl_str_mv Evolutionary Biology
Ecology
Inorganic Chemistry
Infectious Diseases
Environmental Sciences not elsewhere classified
Biological Sciences not elsewhere classified
previously recovering meta
important case study
logistic growth model
exponential growth model
– 408 individuals
representing individual colonies
estimated mean count
reduced pup counts
div >< p
increased population density
western baltic sea
change remained positive
population </ p
baltic population throughout
estimated annual increase
aerial survey data
harbour seal abundance
population growth
mean counts
baltic population
survey period
seal abundance
harbour seals
certain colonies
54 individuals
declining counts
years 2003
vessel traffic
twelve subregions
recent years
present evidence
parametric modelling
grown exponentially
fitting non
first derivative
environmental factors
determine trends
best fit
annual decline
abundance may
[- 882
67 ])
2010s may
dc.title.none.fl_str_mv Map of the survey area.
dc.type.none.fl_str_mv Image
Figure
info:eu-repo/semantics/publishedVersion
image
description <p>Subregions 1 to 8 belong to the Skagerrak region. As data for subregions 1 to 4 were only available for 2016 and 2022, they were excluded from statistical analysis of trends. Subregions 9 to 16 belong to the Kattegat region. The S.W. Baltic (17) was treated as a separate population with just one subregion. Administrative boundary polygons sourced from Natural Earth.</p>
eu_rights_str_mv openAccess
id Manara_94de850f4343fdc787913ac8233685e3
identifier_str_mv 10.1371/journal.pone.0326933.g001
network_acronym_str Manara
network_name_str ManaraRepo
oai_identifier_str oai:figshare.com:article/29439009
publishDate 2025
repository.mail.fl_str_mv
repository.name.fl_str_mv
repository_id_str
rights_invalid_str_mv CC BY 4.0
spelling Map of the survey area.Daire Carroll (13232562)Markus P. Ahola (21627135)Anja M. Carlsson (5027330)Anders Galatius (309528)Kjell T. Nilssen (4169899)Tero Härkönen (5654026)Karin C. Harding (11795537)Evolutionary BiologyEcologyInorganic ChemistryInfectious DiseasesEnvironmental Sciences not elsewhere classifiedBiological Sciences not elsewhere classifiedpreviously recovering metaimportant case studylogistic growth modelexponential growth model– 408 individualsrepresenting individual coloniesestimated mean countreduced pup countsdiv >< pincreased population densitywestern baltic seachange remained positivepopulation </ pbaltic population throughoutestimated annual increaseaerial survey dataharbour seal abundancepopulation growthmean countsbaltic populationsurvey periodseal abundanceharbour sealscertain colonies54 individualsdeclining countsyears 2003vessel traffictwelve subregionsrecent yearspresent evidenceparametric modellinggrown exponentiallyfitting nonfirst derivativeenvironmental factorsdetermine trendsbest fitannual declineabundance may[- 88267 ])2010s may<p>Subregions 1 to 8 belong to the Skagerrak region. As data for subregions 1 to 4 were only available for 2016 and 2022, they were excluded from statistical analysis of trends. Subregions 9 to 16 belong to the Kattegat region. The S.W. Baltic (17) was treated as a separate population with just one subregion. Administrative boundary polygons sourced from Natural Earth.</p>2025-06-30T18:23:01ZImageFigureinfo:eu-repo/semantics/publishedVersionimage10.1371/journal.pone.0326933.g001https://figshare.com/articles/figure/Map_of_the_survey_area_/29439009CC BY 4.0info:eu-repo/semantics/openAccessoai:figshare.com:article/294390092025-06-30T18:23:01Z
spellingShingle Map of the survey area.
Daire Carroll (13232562)
Evolutionary Biology
Ecology
Inorganic Chemistry
Infectious Diseases
Environmental Sciences not elsewhere classified
Biological Sciences not elsewhere classified
previously recovering meta
important case study
logistic growth model
exponential growth model
– 408 individuals
representing individual colonies
estimated mean count
reduced pup counts
div >< p
increased population density
western baltic sea
change remained positive
population </ p
baltic population throughout
estimated annual increase
aerial survey data
harbour seal abundance
population growth
mean counts
baltic population
survey period
seal abundance
harbour seals
certain colonies
54 individuals
declining counts
years 2003
vessel traffic
twelve subregions
recent years
present evidence
parametric modelling
grown exponentially
fitting non
first derivative
environmental factors
determine trends
best fit
annual decline
abundance may
[- 882
67 ])
2010s may
status_str publishedVersion
title Map of the survey area.
title_full Map of the survey area.
title_fullStr Map of the survey area.
title_full_unstemmed Map of the survey area.
title_short Map of the survey area.
title_sort Map of the survey area.
topic Evolutionary Biology
Ecology
Inorganic Chemistry
Infectious Diseases
Environmental Sciences not elsewhere classified
Biological Sciences not elsewhere classified
previously recovering meta
important case study
logistic growth model
exponential growth model
– 408 individuals
representing individual colonies
estimated mean count
reduced pup counts
div >< p
increased population density
western baltic sea
change remained positive
population </ p
baltic population throughout
estimated annual increase
aerial survey data
harbour seal abundance
population growth
mean counts
baltic population
survey period
seal abundance
harbour seals
certain colonies
54 individuals
declining counts
years 2003
vessel traffic
twelve subregions
recent years
present evidence
parametric modelling
grown exponentially
fitting non
first derivative
environmental factors
determine trends
best fit
annual decline
abundance may
[- 882
67 ])
2010s may